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(2011 EL40)
Classification: Apollo [NEO]          SPK-ID: 3559595
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2455633.5 (2011-Mar-13.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .7061773873781629 0.0020471  
a 2.437493450140063 0.015339 au
q .7161906937687688 0.00048315 au
i 1.351413762882085 0.0044785 deg
node 188.1742132390126 0.014867 deg
peri 267.9629582212294 0.01432 deg
M 12.18367374695663 0.12684 deg
tp 2455586.457610532614
(2011-Jan-24.95761053)
0.045705 TDB
period 1389.996199831699
3.81
13.12
0.03592
d
yr
n .2589935138265765 0.0024447 deg/d
Q 4.158796206511357 0.02617 au
  Orbit Determination Parameters
   # obs. used (total)      30  
   data-arc span      4 days  
   first obs. used      2011-03-10  
   last obs. used      2011-03-14  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      8  
   norm. resid. RMS      .52632  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 04:53:22  

Additional Information
 Earth MOID = .00669598 au 
 Jupiter MOID = 1.07452 au 
 T_jup = 3.104 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 26.4   n/a MPO193852  

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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